Carved into a mountain range in Arizona’s Sonoran Desert, where temperatures often reach 118F (48C), a vast mining complex ...

Arizonans can still weigh in on the Copper Creek exploratory project. The Bureau of Land Management’s public comment period ...

The North America Copper Mines segment operates open-pit copper mines in Morenci, Bagdad, Safford, Sierrita, Miami in Arizona and Chino, and Tyrone in New Mexico. The South America Operations ...

Roughly half of its midcycle attributable copper sales are from its North American mines, led by Morenci. About 25% comes from Grasberg and 25% from its South American operations, driven by Cerro ...

led by its 49% ownership of the Grasberg copper and gold operations in Indonesia, 55% of the Cerro Verde mine in Peru, and 72% of Morenci in Arizona. It sold around 1.2 million metric tons of ...

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(Bloomberg) -- Carved into a mountain range in Arizona’s Sonoran Desert, where temperatures often reach 118F (48C), a vast mining complex more than a century old is on the front lines of a race ...